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  <h1 class="topictitle1">Managing ClickHouse Clusters/Table Sets</h1>
  <div>
   <p>This section describes how to modify or delete ClickHouse clusters registered with the <span>product</span>.</p>
   <div class="section">
    <h4 class="sectiontitle">Related Operations</h4>
    <p>Choose <span class="uicontrol"><b><span id="clickhouse-0056__en-us_topic_0000001839142377_text1926371213406"><strong>Protection</strong></span> &gt; Big Data &gt; ClickHouse</b></span>, click the <span class="uicontrol"><b><span><strong>Cluster</strong></span></b></span> or <span class="uicontrol"><b><span><strong>Table Sets</strong></span></b></span> tab, and locate the cluster on which you want to perform related operations.</p>
    <p><a href="#clickhouse-0056__table24934294919">Table 1</a> describes related operations.</p>
   </div>
   <div class="tablenoborder">
    <a name="clickhouse-0056__table24934294919"></a><a name="table24934294919"></a>
    <table cellpadding="4" cellspacing="0" summary="" id="clickhouse-0056__table24934294919" frame="border" border="1" rules="all">
     <caption>
      <b>Table 1 </b>ClickHouse-related operations
     </caption>
     <colgroup>
      <col style="width:14.360000000000001%">
      <col style="width:57.91%">
      <col style="width:27.73%">
     </colgroup>
     <thead align="left">
      <tr>
       <th align="left" class="cellrowborder" valign="top" width="14.360000000000003%" id="mcps1.3.3.2.4.1.1"><p>Operation</p></th>
       <th align="left" class="cellrowborder" valign="top" width="57.910000000000004%" id="mcps1.3.3.2.4.1.2"><p>Description</p></th>
       <th align="left" class="cellrowborder" valign="top" width="27.730000000000004%" id="mcps1.3.3.2.4.1.3"><p>Navigation Path</p></th>
      </tr>
     </thead>
     <tbody>
      <tr>
       <td class="cellrowborder" valign="top" width="14.360000000000003%" headers="mcps1.3.3.2.4.1.1 "><p>Modifying cluster information</p></td>
       <td class="cellrowborder" valign="top" width="57.910000000000004%" headers="mcps1.3.3.2.4.1.2 "><p><strong>Scenario</strong></p> <p>This operation enables you to change the authentication mode and other information about a ClickHouse cluster.</p></td>
       <td class="cellrowborder" valign="top" width="27.730000000000004%" headers="mcps1.3.3.2.4.1.3 "><p>In the row where the cluster resides, choose <span class="uicontrol"><b><span><strong>More</strong></span> &gt; <span><strong>Modify</strong></span></b></span>.</p> <p>For details about ClickHouse cluster parameters, see <a href="clickhouse-0008.html">Step 1: Registering a ClickHouse Cluster</a>.</p></td>
      </tr>
      <tr>
       <td class="cellrowborder" valign="top" width="14.360000000000003%" headers="mcps1.3.3.2.4.1.1 "><p>Deleting a cluster</p></td>
       <td class="cellrowborder" valign="top" width="57.910000000000004%" headers="mcps1.3.3.2.4.1.2 "><p><strong>Scenario</strong></p> <p>This operation enables you to delete a ClickHouse cluster if you no longer need to protect databases or table sets in this cluster or restore data to it.</p> <p><strong>Note</strong></p>
        <ul>
         <li>A cluster cannot be deleted if a backup or restoration job is being executed.</li>
         <li>A cluster cannot be deleted if a database or table set in it has been associated with an SLA.</li>
         <li>Deletion of a cluster will delete all its databases and tables.</li>
        </ul></td>
       <td class="cellrowborder" valign="top" width="27.730000000000004%" headers="mcps1.3.3.2.4.1.3 "><p>In the row where the cluster resides, choose <span class="uicontrol"><b><span><strong>More</strong></span> &gt; <span><strong>Delete</strong></span></b></span>.</p></td>
      </tr>
      <tr>
       <td class="cellrowborder" valign="top" width="14.360000000000003%" headers="mcps1.3.3.2.4.1.1 ">
        <div class="p">
         Authorizing resources
         <div class="note" id="clickhouse-0056__en-us_topic_0000001839223137_note1819152144411">
          <span class="notetitle"> NOTE: </span>
          <div class="notebody">
           <p id="clickhouse-0056__en-us_topic_0000001839223137_p72172194413">Only version 1.5.0 supports this function.</p>
          </div>
         </div>
        </div></td>
       <td class="cellrowborder" valign="top" width="57.910000000000004%" headers="mcps1.3.3.2.4.1.2 "><p><strong>Scenario</strong></p> <p>By default, only the system administrator has the permission to protect resources. If you want to assign this permission to a data protection administrator, authorize this administrator as the system administrator to protect resources.</p> <p><strong>Note</strong></p>
        <ul>
         <li id="clickhouse-0056__en-us_topic_0000001839223137_li1491782615119">The protection permissions on a resource that has been associated with an SLA cannot be granted. Before permission granting, remove the protection.</li>
         <li id="clickhouse-0056__en-us_topic_0000001839223137_li14274329155112">The protection permissions on a single resource can be granted only to a single data protection administrator.</li>
        </ul></td>
       <td class="cellrowborder" valign="top" width="27.730000000000004%" headers="mcps1.3.3.2.4.1.3 "><p>In the row of the target resource, choose <span class="uicontrol" id="clickhouse-0056__en-us_topic_0000001839223137_uicontrol9137201042215"><b><span id="clickhouse-0056__en-us_topic_0000001839223137_text15137171062219"><strong>More</strong></span> &gt; <span id="clickhouse-0056__en-us_topic_0000001839223137_text12137010162219"><strong>Authorize Resource</strong></span></b></span>. Then, select the desired data protection administrator.</p></td>
      </tr>
      <tr>
       <td class="cellrowborder" valign="top" width="14.360000000000003%" headers="mcps1.3.3.2.4.1.1 ">
        <div class="p">
         Reclaiming resources
         <div class="note" id="clickhouse-0056__en-us_topic_0000001839223137_note9135337194416">
          <span class="notetitle"> NOTE: </span>
          <div class="notebody">
           <p id="clickhouse-0056__en-us_topic_0000001839223137_en-us_topic_0000001839223137_p72172194413">Only version 1.5.0 supports this function.</p>
          </div>
         </div>
        </div></td>
       <td class="cellrowborder" valign="top" width="57.910000000000004%" headers="mcps1.3.3.2.4.1.2 "><p><strong>Scenario</strong></p> <p>This operation enables you to reclaim resources authorized to the data protection administrator. The data protection administration is not permitted to protect the resources that have been reclaimed.</p> <p><strong>Note</strong></p> <p>The protection permissions on a resource that has been associated with an SLA cannot be reclaimed. Before reclamation, remove the protection.</p></td>
       <td class="cellrowborder" valign="top" width="27.730000000000004%" headers="mcps1.3.3.2.4.1.3 "><p>In the row of the target resource, choose <span class="uicontrol" id="clickhouse-0056__en-us_topic_0000001839223137_uicontrol37971414213"><b><span id="clickhouse-0056__en-us_topic_0000001839223137_text92931039714"><strong>More</strong></span> &gt; <span id="clickhouse-0056__en-us_topic_0000001839223137_text118771624064"><strong>Reclaim Resource</strong></span></b></span>.</p></td>
      </tr>
      <tr>
       <td class="cellrowborder" valign="top" width="14.360000000000003%" headers="mcps1.3.3.2.4.1.1 "><p>Modifying a table set</p></td>
       <td class="cellrowborder" valign="top" width="57.910000000000004%" headers="mcps1.3.3.2.4.1.2 "><p><strong>Scenario</strong></p> <p>Only table sets can be modified. This operation enables you to modify the name of and selected tables in a table set.</p></td>
       <td class="cellrowborder" valign="top" width="27.730000000000004%" headers="mcps1.3.3.2.4.1.3 "><p>In the row where the table set resides, choose <span class="uicontrol"><b><span><strong>More</strong></span> &gt; <span><strong>Modify</strong></span></b></span>.</p></td>
      </tr>
      <tr>
       <td class="cellrowborder" valign="top" width="14.360000000000003%" headers="mcps1.3.3.2.4.1.1 "><p>Deleting a table set</p></td>
       <td class="cellrowborder" valign="top" width="57.910000000000004%" headers="mcps1.3.3.2.4.1.2 "><p><strong>Scenario</strong></p> <p>Only table sets can be deleted. This operation enables you to delete a table set if you no longer need to protect it.</p> <p><strong>Note</strong></p> <p>A table set associated with an SLA cannot be deleted.</p></td>
       <td class="cellrowborder" valign="top" width="27.730000000000004%" headers="mcps1.3.3.2.4.1.3 "><p>In the row where the table set resides, choose <span class="uicontrol"><b><span><strong>More</strong></span> &gt; <span><strong>Delete</strong></span></b></span>.</p></td>
      </tr>
      <tr>
       <td class="cellrowborder" valign="top" width="14.360000000000003%" headers="mcps1.3.3.2.4.1.1 ">
        <div class="p">
         Adding a tag
         <div class="note">
          <span class="notetitle"> NOTE: </span>
          <div class="notebody">
           <p>Only 1.6.0 and later versions support this function.</p>
          </div>
         </div>
        </div></td>
       <td class="cellrowborder" valign="top" width="57.910000000000004%" headers="mcps1.3.3.2.4.1.2 "><p><strong>Scenario</strong></p> <p>This operation enables you to quickly filter and manage resources.</p></td>
       <td class="cellrowborder" valign="top" width="27.730000000000004%" headers="mcps1.3.3.2.4.1.3 ">
        <div class="p">
         Choose <span class="uicontrol"><b><span><strong>More</strong></span> &gt; Add Tag</b></span>.
         <div class="note">
          <span class="notetitle"> NOTE: </span>
          <div class="notebody">
           <ul>
            <li>On the displayed <strong>Add Tag</strong> dialog box, you can select existing tags or click <strong>Create</strong> to create a tag.</li>
            <li>To modify or delete a tag, click <strong>Go to Tag Management</strong> on the <strong>Add Tag</strong> page to go to the <strong>Tag Management</strong> page.</li>
           </ul>
          </div>
         </div>
        </div></td>
      </tr>
      <tr>
       <td class="cellrowborder" valign="top" width="14.360000000000003%" headers="mcps1.3.3.2.4.1.1 ">
        <div class="p">
         Removing a tag
         <div class="note">
          <span class="notetitle"> NOTE: </span>
          <div class="notebody">
           <p id="clickhouse-0056__en-us_topic_0000001792344090_p1816719214566">Only 1.6.0 and later versions support this function.</p>
          </div>
         </div>
        </div></td>
       <td class="cellrowborder" valign="top" width="57.910000000000004%" headers="mcps1.3.3.2.4.1.2 "><p><strong>Scenario</strong></p> <p>This operation enables you to remove the tag of a resource when it is no longer needed.</p></td>
       <td class="cellrowborder" valign="top" width="27.730000000000004%" headers="mcps1.3.3.2.4.1.3 "><p>Choose <span class="uicontrol"><b><span><strong>More</strong></span> &gt; Remove Tag</b></span>.</p></td>
      </tr>
     </tbody>
    </table>
   </div>
  </div>
  <div>
   <div class="familylinks">
    <div class="parentlink">
     <strong>Parent topic:</strong> <a href="clickhouse-0054.html">ClickHouse Cluster Environment</a>
    </div>
   </div>
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